<!doctype html>
<meta charset=utf-8>
<title>Cross-origin methods and accessors are cached per Realm via[[CrossOriginPropertyDescriptorMap]]</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/browsers.html#crossorigingetownpropertyhelper-(-o,-p-)">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="cross-origin-objects-function-common.js"></script>
<div id=log></div>
<script>
"use strict";

promise_test(async t => {
    const w = await makeCrossOriginWindow(t);
    for (const {key} of crossOriginWindowMethods) {
        assert_equals(w[key], w[key], `w.${key} via [[Get]]`);
        const desc1 = Object.getOwnPropertyDescriptor(w, key);
        const desc2 = Object.getOwnPropertyDescriptor(w, key);
        assert_equals(desc1.value, desc2.value, `w.${key} via [[GetOwnProperty]]`);
    }
}, "Cross-origin Window methods are cached");

promise_test(async t => {
    const w = await makeCrossOriginWindow(t);
    for (const {key} of crossOriginWindowAccessors) {
        const desc1 = Object.getOwnPropertyDescriptor(w, key);
        const desc2 = Object.getOwnPropertyDescriptor(w, key);
        assert_equals(desc1.get, desc2.get, `w.${key} getter`);
        if (key === "location") {
            assert_equals(desc1.set, desc2.set, `w.${key} setter`);
        }
    }
}, "Cross-origin Window accessors are cached");

promise_test(async t => {
    const w = await makeCrossOriginWindow(t);
    assert_equals(w.location.replace, w.location.replace, "via [[Get]]");
    const desc1 = Object.getOwnPropertyDescriptor(w.location, "replace");
    const desc2 = Object.getOwnPropertyDescriptor(w.location, "replace");
    assert_equals(desc1.value, desc2.value, "via [[GetOwnProperty]]");
}, "Cross-origin Location `replace` method is cached");

promise_test(async t => {
    const w = await makeCrossOriginWindow(t);
    const desc1 = Object.getOwnPropertyDescriptor(w.location, "href");
    const desc2 = Object.getOwnPropertyDescriptor(w.location, "href");
    assert_equals(desc1.set, desc2.set);
}, "Cross-origin Location `href` setter is cached");
</script>
